31526440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 78096960

約数和(自身を除く): 46570520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 523, 548, 685, 1046, 1096, 1370, 1507, 2092, 2615, 2740, 3014, 4184, 5230, 5480, 5753, 6028, 7535, 10460, 11506, 12056, 15070, 20920, 23012, 28765, 30140, 46024, 57530, 60280, 71651, 115060, 143302, 230120, 286604, 358255, 573208, 716510, 788161, 1433020, 1576322, 2866040, 3152644, 3940805, 6305288, 7881610, 15763220, 31526440]

約数ペア:

[(1, 31526440), (2, 15763220), (4, 7881610), (5, 6305288), (8, 3940805), (10, 3152644), (11, 2866040), (20, 1576322), (22, 1433020), (40, 788161), (44, 716510), (55, 573208), (88, 358255), (110, 286604), (137, 230120), (220, 143302), (274, 115060), (440, 71651), (523, 60280), (548, 57530), (685, 46024), (1046, 30140), (1096, 28765), (1370, 23012), (1507, 20920), (2092, 15070), (2615, 12056), (2740, 11506), (3014, 10460), (4184, 7535), (5230, 6028), (5480, 5753)]